Reply Received

{
  "transactionId": "019687e1-1b54-70f4-a68a-60af7fa776f4",
  "eventType": "reply_received",
  "body": {
    "phoneNumber": "5551234567",
    "sentAt": "2024-01-15T10:30:00Z",
    "content": "Thanks for your message!",
    "isMMS": false
  }
}